Recommended for vaccination of healthy, susceptible sheep and cattle as an aid in the reduction of diseases caused by Clostridium chauvoei, Cl septicum, Cl novyi, Cl sordellii, Cl perfringens Types C and D. Immunity may be provided against the beta and epsilon toxins elaborated by Cl perfringens Type B. This immunity is derived from the combination of Type C (beta) and Type D (epsilon) fractions.